Investments totalling some $1.2 trillion could be made in new nuclear power projects around the world, according to the latest forecast by the World Nuclear Association. More than half of this total will be made in Asia.

There is certainly nothing wrong with the basic tenets of radiological protection, but their application without heed to non-radiological hazards can lead seriously astray, writes Jack Valentin, an independent radiological protection consultant.

Tepco has completed a major program of clean-up at Fukushima Daiichi - the removal of all nuclear fuel from unit 4. President and CEO of the company Naomi Hirose paid respect to the "skill and commitment of Tepco engineers and workers at every level".

Sweden's nuclear power plant operators have until the end of 2015 to submit plans to the country's regulator on implementing permanent safety improvements by 2020 to ensure independent reactor core cooling.